About the Number

121210740

121210739 ← → 121210741

2進数表記:111001110011000011101110100

漢数字表記:一億二千百二十一万七百四十

素因数分解:

2 2 × 3 2 × 5 1 × 7 1 × 96199 1

素因数の和:96221
約数の個数: 72
約数和(自身を含む): 420201600
約数和(自身を除く): 298990860

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 96199, 192398, 288597, 384796, 480995, 577194, 673393, 865791, 961990, 1154388, 1346786, 1442985, 1731582, 1923980, 2020179, 2693572, 2885970, 3366965, 3463164, 4040358, 4328955, 5771940, 6060537, 6733930, 8080716, 8657910, 10100895, 12121074, 13467860, 17315820, 20201790, 24242148, 30302685, 40403580, 60605370, 121210740]

約数ペア:
[(1, 121210740), (2, 60605370), (3, 40403580), (4, 30302685), (5, 24242148), (6, 20201790), (7, 17315820), (9, 13467860), (10, 12121074), (12, 10100895), (14, 8657910), (15, 8080716), (18, 6733930), (20, 6060537), (21, 5771940), (28, 4328955), (30, 4040358), (35, 3463164), (36, 3366965), (42, 2885970), (45, 2693572), (60, 2020179), (63, 1923980), (70, 1731582), (84, 1442985), (90, 1346786), (105, 1154388), (126, 961990), (140, 865791), (180, 673393), (210, 577194), (252, 480995), (315, 384796), (420, 288597), (630, 192398), (1260, 96199)]

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